Review Math Test 6

There are 376 passengers on an airplane. If in a group of 8, one of the passengers are children, how many children are on the plane?

• 37

• 42

• 47

• 52

Answer explanation

This is a multiplying fraction group problem. The group is 376 and the part is 1/8.

Which is a correct comparison?

• 1/3 = 3/4

• 1/2 > 3/4

• 3/4 > 1/2

• 1/3> 3/4

Answer explanation

This is a comparison problem. Use equivalent fractions or the butterfly method to solve.

On Friday, Travis sold 3 pounds of fish. On Saturday, he sold 2/3 as much fish as on Friday. How many pounds of fish did Travis sell on Saturday?

• 5/6

• 5/3

• 11/3

• 2

Answer explanation

This is a multiplying fraction problem with a group.

Which question does 6 x 3/5 answer?

• A plant was 6 inches tall. The plant grew 3/5 in. How tall is the plant now?

• There are 6 pizzas. Some friends eat 3/5 of each pizza. How much pizza did the friends eat?

• A store had 6 pounds of sand. The store sold 3/5 pound of sand. How much sand is left?

• A boy has 6 bags of rocks. A girl has 3/5 bags of rocks. How many bags of rocks do they have together?

Answer explanation

Look for the repeating pattern or the group for this question.

Mr. Samson started a trip to his sister's house with 5/8 of a tank of gas. When he arrived at his sister's he had 1/8 of a tank of gas left. What fraction of a tank did Mr. Samson use during his trip?

• 1/8

• 1/2

• 5/8

• 3/4

Answer explanation

We are trying to see what he used. So we are subtracting to see what he used to drive to his sister's.

What fraction makes this comparison true: ? > 1/2

• 3/6

• 1/3

• 2/8

• 2/3

Answer explanation

This is a comparison. So use either the equivalent fractions or the butterfly method.

Tamiko goes shopping. She spends 2/8 of her money on a bracelet and another 3/8 of her money on earrings. Then, Tamiko spends another 2/8 of her money on lunch. What fraction represents the amount of money Tamiko has left?

• 1/8

• 1/2

• 7/8

• 8/8

Answer explanation

First you need to find what she spent. You need to add to do this. Then we have to tell what is left. This is where the subtraction happens.

Katie needs 6/8 cup of flour for a recipe. She has 1/8 cup of flour. How much more flour does Katie need?

• 5/16 cup

• 7/16 cup

• 5/8 cup

• 7/8 cup

Answer explanation

To find out what was left, you need to subtract.

An animal shelter had 10 dogs up for adoption. On Saturday, 2/10 of the dogs were adopted, and on Sunday 4/10 were adopted. Which fraction shows how many dogs were left after Saturday and Sunday?

• 1/5

• 2/5

• 3/5

• 4/5

Answer explanation

You need to add to see how many dogs were adopted the two days. Then you subtract to see how many are left.

A farmer owns 12 acres of farmland. She plants pumpkins on 3/4 of the land. How many acres of land does the farmer have with pumpkins?

• 9

• 6

• 3

• 12

Answer explanation

This is a multiplying fraction problem, group problem.